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A357212 as a simple table

n a(n)
1 0
2 0
3 1
4 3
5 7
6 17
7 37
8 81
9 174
10 372
11 786
12 1650
13 3438
14 7125
15 14666
16 30048
17 61248
18 124439
19 251921
20 508778
21 1025182
22 2062286
23 4142643
24 8312926
25 16667004
26 33395274

[0,0,1,3,7,17,37,81,174,372,786,1650,3438,7125,
 14666,30048,61248,124439,251921,508778,1025182,
 2062286,4142643,8312926,16667004,33395274]

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Last modified May 3 16:04 EDT 2024. Contains 372221 sequences. (Running on oeis4.)